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Pro Mag Enfield No. 4 MKI .303 Rifle Magazine Color: Blue, Fabric/Material: Steel, 33% Off

Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
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Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
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Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
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Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round
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Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round

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Questions & Answers
Will this fit a Lee Enfield SMLE No. 1 MK III that is a WWII surplus rifle made in 1942? Expert Answer

Pro Mag only list this .303 Rifle Magazine as being compatible with the Enfield #4-MK I (SMLE) .303 British cal. I would recommend reaching out to them directly to see if this magazine will work with any other Enfield models. You can find their contact info linked below:
https://promagindustries.com/contact-us/

by Ethan, Gear Expert, March 18, 2022
will this magazine fit the Enfield #4 MKII also. Built in 1952. I hesitate to buy because it is described as a #4 MK I and I need one for a #4 MK ll Expert Answer

Pro Mag only list this .303 Rifle Magazine as being compatible with the Enfield #4-MK I (SMLE) .303 British cal. I would recommend reaching out to them directly to see if this magazine will work with any other Enfield models. You can find their contact info linked below:
https://promagindustries.com/contact-us/

by Ethan, Gear Expert, March 18, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Negative Review
Does not fit by Dog Dad, Verified Owner, April 26, 2022
The magazine does not fit. Tried it in two separate Enfield #4 MK1 rifles & it was to wide! Says that I need a minimum of 200 letters to summit a review so how many different ways can I say that it DOES NOT FIT!
2/2 found this helpful
Most Recent Reviews
Lee enfield 303br rifle mag by John wick, Verified Owner, May 30, 2025
10rd magazine for 303 british ammo. Rare to fine No.4 mk1 rifle.
Most Recent Reviews
303 Lee Enfield rifle magazine by ERIK BLANCHFIELD, Verified Owner, February 26, 2024
Fits perfectly and easy to load. Packaged nicely. Shipping was acceptable. All in all a very good purchase.
Most Recent Reviews
MikeKarcher by Mike, September 6, 2022
Had my brother buy 5 of the MK1 magazines for me. Not one of them fit into gun. Too wide, too long, outside radius of magazine is too sharp. Whomever manufactured them never tried them into a MK 1. Tried to modify one of them to fit. Sides became ver...
Read More...
Most Recent Reviews
Will not fit correctly by Topkick, Verified Owner, November 29, 2019
Poorly designed. You have to force it in the rifle and then it will not feed correctly. About the only thing this magazine allows you to do is load single shots. I tried this magazine in 5 different No4 Enfields and 1 No5 which uses No4 magazines, s...
Read More...
11/11 found this helpful
Read All 5 Reviews
Color:
Blue
Magazine Capacity:
10 Round
Caliber:
.303 British
Gun Make:
Lee-Enfield
Gun Model:
Lee-Enfield No 4 Mk 1
Quantity:
1
Condition:
New

Code: KA0-RM-ENFLD4RM-ENF-04-10RD

MPN: ENF 04

UPC: 708279004216

List: $53.89Save 34%
$35.79

Certain firearm magazines and extensions are subject to maximum capacity restrictions based on state and local laws. Currently, we are unable to sell these products to some locations. For a complete list of these restrictions, please visit our policy page.

By continuing with your purchase, you agree to adhere to all applicable laws and regulations.  

Product Info for Pro Mag Enfield No. 4 MKI .303 Rifle Magazine

A 10-rd Magazine for Enfield #4-Mk I (SMLE) rifles chambered in .303British. Magazine body and follower constructed of heat treated blued-steel with a Chrome-silicon wire spring to ensure reliable feeding and function. made in specialized factoriesimage

Specifications for Pro Mag Enfield No. 4 MKI .303 Rifle Magazine:

Manufacturer: ProMag
Color: Blue
Fabric/Material: Steel
Magazine Capacity: 10 Round
Caliber: .303 British
Gun Make: Lee-Enfield
Gun Model: Lee-Enfield No 4 Mk 1
Quantity: 1
Condition: New

Features of Enfield No. 4 MKI .303 Rifle Magazine:

  • 10-round magazine
  • Fits Enfield #4-MK I (SMLE) .303 British cal
  • Magazine body constructed of heat treated steel with black oxide finish
  • Stamped steel magazine follower
  • Magazine spring formed from heat treated chrome silicone wire

Package Contents:

  • Pro Mag Enfield No. 4 MKI .303 Rifle Magazine

What firearm models does the manufacturer say Pro Mag Enfield No. 4 MKI .303 Rifle Magazine is compatible with?

The manufacturer says that Pro Mag Enfield No. 4 MKI .303 Rifle Magazine is compatible with Lee-Enfield No 4 Mk 1

Pro Mag Enfield No. 4 MKI .303 Rifle Magazine Orderable Models

List of Orderable Models

  • Pro Mag Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round ENF 04-10RD , MPN: ENF 04 , UPC: 708279004216 , Code: KA0-RM-ENFLD4RM-ENF-04-10RD

Pro Mag Enfield No. 4 MKI .303 Rifle Magazine Unavailable & Discontinued Models

List of Unorderable Models

  • USED Pro Mag Enfield No. 4 MKI .303 Rifle Magazine, Steel, Blue, 10 Round ENF 04-10RD, EDEMO7, Used, Condition Fair , MPN: ENF 04-EDEMO7 , Code: KA0-RM-ENFLD4RM-ENF-04-10RD-EDEMO7
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Last updated 2026-07-27 UTC.